21068253

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5987}}^1$

素因数の和:6033

約数の個数: 24

約数和(自身を含む): 33628608

約数和(自身を除く): 12560355

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5987, 17961, 53883, 101779, 137701, 305337, 413103, 916011, 1239309, 2340917, 7022751, 21068253]

約数ペア:

[(1, 21068253), (3, 7022751), (9, 2340917), (17, 1239309), (23, 916011), (51, 413103), (69, 305337), (153, 137701), (207, 101779), (391, 53883), (1173, 17961), (3519, 5987)]